Hi, we have 7 pullets, 3 are red sex-link and 4 black austrolorps with one red sex-linked roo. The pullets range between 16-20 weeks the roo is 20 weeks. It's like we have two flocks because they segregate themselves according to breed? Just wondering will our roo mate with both breeds? He basically sticks with his own breed. I hope that one day we will have one flock. Thanks in advance for your words of experience.